Home / 82,472.96-123,608.10-38,038.04

Finding the Fourth Proportional to 82,472.96, 123,608.10 and 38,038.04

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Solution

The fourth proportional to 82,472.96, 123,608.10 and 38,038.04 is: 57,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,472.96 : 123,608.10 = 38,038.04 : x
  2. Step 2: Convert to fraction form
    82,472.96/123,608.10 = 38,038.04/x
  3. Step 3: Cross multiply
    82,472.96x = 123,608.10 × 38,038.04
  4. Step 4: Simplify right side
    82,472.96x = 4,701,809,852.12
  5. Step 5: Solve for x
    x = 4,701,809,852.12/82,472.96
  6. Step 6: Final answer
    x = 57,010.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.